1.
https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx2349ac57926cd580&redirect_uri=http://wx.weiyinstudio.com/wx.php?backurl=&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect 

2.
https://api.weixin.qq.com/sns/oauth2/access_token?appid=wx2349ac57926cd580&secret=e28531e0fb6784ea37d4590882fc90c9&code=021XpKOe01fN5A1saeLe0SuOOe0XpKOy&grant_type=authorization_code

3.
access_token        12_4-QSrSfK42zRmxs-oEOerg0i48vsWCccI2nmje5dz0Nrp8FZRYnMvGdRhWKU50-SloFcXorUqsZ0vZNT4XlR9dIXvfPQnxqqfDjYlEMs1G0

4.
http：GET（请使用https协议） https://api.weixin.qq.com/sns/userinfo?access_token=12_4-QSrSfK42zRmxs-oEOerg0i48vsWCccI2nmje5dz0Nrp8FZRYnMvGdRhWKU50-SloFcXorUqsZ0vZNT4XlR9dIXvfPQnxqqfDjYlEMs1G0&openid=o_8541AIsZi6HqH2uywHWn3fA9rw&lang=zh_CN